# DIBBS #SPE7M1-26-U-6562

DLA Land and Maritime Solicits 120 Piston Rings (NSN 4310-00-878-6167, Part No. 26436085) from Approved OEMs

**Posted:** September 22, 2026
**Respond By:** October 06, 2026
**Identifier:** SPE7M1-26-U-6562
**NAICS:** 332117

The Defense Logistics Agency (DLA) Land and Maritime is soliciting piston rings for military applications.
- Buyer: Defense Logistics Agency (DLA), Land and Maritime, Maritime Supply Chain
- Product requested: Ring, Piston (NSN 4310-00-878-6167, Part No. 26436085)
  - Estimated quantity: 120 units
  - Guaranteed minimum: 18 units
  - Minimum delivery order: 30 units
- Approved OEMs:
  - MAC Aerospace Corp
  - SZCZYPSKI, MICHAEL
  - UNITED DYNAMICS, INC
  - AIRTRONICS, LLC
  - THOMAS INSTRUMENT, INCORPORATED
  - TACTAIR FLUID CONTROLS INC
  - MEGGITT NORTH HOLLYWOOD INC
  - MONROE MACHINED PRODUCTS, INC.
  - PRECISION RINGS INCORPORATED
- Delivery required within 133 days of order, FOB origin
- Contract type: Indefinite Delivery Contract (IDC) for one year
- Maximum order value: $350,000
- Compliance required with domestic sourcing laws; covered defense telecom equipment prohibited
- No unique technical requirements or attachments beyond approved sources and part number

### Description

RING, PISTON (QTY: 120, NSN: 4310-00-878-6167, Purchase Request: 1000244514)
  Approved Sources:
  - CAGE: 0LGT4, Part No: 26436085, Company: MAC AEROSPACE CORP
  - CAGE: 0NEM2, Part No: 26436085, Company: SZCZYPSKI, MICHAEL
  - CAGE: 0XWR4, Part No: 26436085, Company: UNITED DYNAMICS, INC
  - CAGE: 58078, Part No: 26436085, Company: AIRTRONICS, LLC
  - CAGE: 5H860, Part No: 26436085, Company: THOMAS INSTRUMENT, INCORPORATED
  - CAGE: 70236, Part No: 26436085, Company: TACTAIR FLUID CONTROLS INC
  - CAGE: 79318, Part No: 26436085, Company: MEGGITT NORTH HOLLYWOOD INC
  - CAGE: 7F311, Part No: 26436085, Company: MONROE MACHINED PRODUCTS, INC.
  - CAGE: 99121, Part No: 26436085, Company: PRECISION RINGS INCORPORATED
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M126U6562)
